document.write( "Question 729916: Solve: cos^2(theta)+ 2sin(theta)=2 \r
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document.write( "Please help. I have no Idea what to do. \n" );
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Algebra.Com's Answer #446292 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! cos^2(theta)+ 2sin(theta)=2 \n" ); document.write( "----- \n" ); document.write( "You have to know cos^2 + sin^2 = 1 \n" ); document.write( "---- \n" ); document.write( "Your Problem: \n" ); document.write( "(1-sin^2) + 2sin = 2 \n" ); document.write( "----- \n" ); document.write( "sin^2 - 2sin + 1 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(sin-1)^2 = 0 \n" ); document.write( "sin(theta) = 1 \n" ); document.write( "theta = pi/2 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " \n" ); document.write( " |